[Japanese]

JVNDB-2017-000064

Cybozu Office fails to restrict access permission in the file export function in "customapp"

Overview

Cybozu Office contains an access restriction flaw in the file export function in "customapp".

Cybozu, Inc. reported this vulnerabilities to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Cybozu, Inc. coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None

CVSS V3 Severity:
Base Metrics: 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
Affected Products


Cybozu, Inc.
  • Cybozu Office 10.0.0 to 10.5.0

Impact

Information of "customapp" may be obtained by the other logged-in user.
Solution

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Cybozu, Inc.
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2017-2115
References

  1. JVN : JVN#17535578
  2. National Vulnerability Database (NVD) : CVE-2017-2115
Revision History

[2017/04/11]
  Web page was published
[2017/06/01]
  References : Content was added